diff --git a/go/plugins/googleai/googleai.go b/go/plugins/googleai/googleai.go
index f42010394..040cce81e 100644
--- a/go/plugins/googleai/googleai.go
+++ b/go/plugins/googleai/googleai.go
@@ -39,14 +39,14 @@ var (
 	basicText = ai.ModelCapabilities{
 		Multiturn:  true,
 		Tools:      true,
-		SystemRole: false,
+		SystemRole: true,
 		Media:      false,
 	}
 
 	multimodal = ai.ModelCapabilities{
 		Multiturn:  true,
 		Tools:      true,
-		SystemRole: false,
+		SystemRole: true,
 		Media:      true,
 	}
 
diff --git a/go/plugins/vertexai/vertexai.go b/go/plugins/vertexai/vertexai.go
index f312357c0..4e3c48f36 100644
--- a/go/plugins/vertexai/vertexai.go
+++ b/go/plugins/vertexai/vertexai.go
@@ -35,14 +35,14 @@ var (
 	basicText = ai.ModelCapabilities{
 		Multiturn:  true,
 		Tools:      true,
-		SystemRole: false,
+		SystemRole: true,
 		Media:      false,
 	}
 
 	multimodal = ai.ModelCapabilities{
 		Multiturn:  true,
 		Tools:      true,
-		SystemRole: false,
+		SystemRole: true,
 		Media:      true,
 	}